# I 1/1 

# 1+1 Transport



### Canada Transports

Canada TP 7245E No. 

### CF-2009-36 Issue Date 02 September 2009 

# AIRWORTHINESS DIRECTIVE

Tile follOWingairw<Ji'lliness direc:lillfl (AD) may be applicable to an airt:rnfl which cur ,eCOlt!. im'cale Is rngistere<l in y01.l"m,,,,e_ ADs ara, issued pursuanllo Canarlian Avliiliwl RlIfJIHDW> (CAR}5n. Pursuenl to CAR &(l/i.84arid the ruM ••.details ofCAR Standard 1175,Append'" H, the conunumg "'lWont'ir>e.s ofa can"""" registered aircra/l is (:(Inl'''9''''\ upen compjiance will all appli<:atNe.ADs. Failure to comply Wllh !he req\JjreFn!lnl6 01 an AD may In""I'Oal8 Ihe ftighl authDfizaliOflllflhe aircrall. AII""",Ii"" meanS ofcampl"n"a st\ajl be app,ed fo<InaoCOrdance wllnCAR &06.84 an<;llhe 8bo",,_rn!erence<! Stands"'. TnlS AD hilS t>eerl iSS~l>y Irle Continuing AiIWOnhine5S Di";5;on IAAROGI NationalAI"""" CMif,oalion Brnnct1, Transpon Ganada, Onawa lelepnone613 952-4357,
Number: Subject: Effective: Applicability: Compliance: Background:

Corrective Actions: 

### CF-2009·36

Stick Pusher Capstan Shaft Failure 22 September 2009 Bombardier CL·600-2819, serial numbers 7003through 7990, 8000 and subsequent As indicated below, unless already accomplished. There have been several Stick. Pusher Capstan Shaft failures causing severe degradation ofthe stick pusher function. This directive is issued to revise the first flight of the day check. of the stall protection system to detect degradation of the stick pusher function. It also introduces a new repetitive maintenance task to limit exposure to dormant failure ofthe stick pusher capstan shaft.

1. Aircraft Flight Manual (AFM) Modffication Within 30 days ofthe effective date ofthis directive, accomplish the following: 1.1 Amend the Aircraft Flight Manual (AFM) by inserting Temporary Revision (TR) RJ/178, dated 15 February 2008 or later approved revision. TR RJ/178 introduces a limitation to ensure that the Stall Protection System test is accomplished before the first flight ofthe day. 1.2 Advise aUflight crews on the changes introduced through the AFM TR.

2. Airworthiness Limitation Change 2.1 Within 30 days of the effective date of this directive, amend the Transport Canada approved maintenance schedule by incorporating the inspection requirements of Certification Maintenance Requirement (CMR) Number C27·35·300-01, as introduced by Temporary Revision (TR) 2A-43, dated 7 May2008, of Canadair Regional Jet Maintenance Requirements Manual, Part 2,Appendix A, "Certification Maintenance Requirements". 2.2 For airplanes with more than 5000 hours airtime, perform initial compliance with the new CMR task within 500 hours air time from the effective date of this directive, unless already accomplished.
Authorization: ForMinister ofTransport, Infrastructure and Communities

Contact: Derek Ferguson

Chief, Continuing Airworthiness Mr. Gordanko Jeremic, Continuing Airworthiness, Ottawa, telephone 613-952-4357, facsimile 613-996-9178 or e-mail CAW WEB Feedback@tc,gc.Cq or any Transport Canada Centre.

PUr$uanl toCAR 202.61 !ho,"'9'5tered owner ofacana<i.n ."aaft sMail.witiiin seven days, notify IMeMinoSlllr inwrili"1gofany cha~" ofhi' Ofher name or address. To 

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a d'lan!l" 01a<l<lr&S5.conlaCllhe Cl•• ilAYlalicm Comm.lnicallons Centre (AARCI at Place •••.ViII., OlfoI"!,,,.On"'rlo K1Alnll, or 1~OO~1l6_2O!i', or www.tc.gc.calciYiIll •• lltionlcomm ••••clti<>o$lcefJtno/_OS.;lSp 

# Canada